Statistics Online Computational Resource: Local mirror of SOCR tools and resources include a repository of interactive applets, computational and graphing tools, instructional and course materials from California.

SAGE is a free open-source mathematics software system licensed under the GPL. It combines the power of many existing open-source packages into a common Python-based interface. SAGE Mission: Creating a viable free open source alternative to Magma, Maple, Mathematica and Matlab.